InventHelp Inventor Develops New Jig/Fixture for Caisson Drillers (CTK-8189)

PITTSBURGH, May 10, 2024 /PRNewswire/ — “I was a driller in the construction industry, and I thought there could be a way to aid in the easy setting of bolts in caisson configurations,” said an inventor, from Huron, S.D., “so I invented the SCHAFFER JIG. My design reduces stress when…